#ifndef _USART1_H_
#define _USART1_H_

#include "stm32f4xx_usart.h"
#include "led.h"
#define EN_USART1_RX 1
void usart1_init(uint32_t Bound);
void Send_onebyte(uint8_t data);
void Send_buff(uint8_t*buff,uint16_t len);
void Send_str(uint8_t* str);
#endif
